, a pathogenic protozoan that causes amoebiasis, remains the second leading cause of death from parasitic infections worldwide. We present a case series of patients presenting to metropolitan tertiary gastroenterology units in Melbourne, Australia, highlighting the complexities of diagnosing amoebic colitis and the potential for misdiagnosis. These cases illustrate four key lessons in the identification of amoebic colitis: (i) obtaining a thorough travel and exposure history, (ii) having a high index of suspicion, (iii) understanding the limitations of available investigations, and (iv) being aware that amoebic colitis may masquerade as other common conditions.
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http://dx.doi.org/10.1002/jgh3.12484 | DOI Listing |
World J Gastrointest Surg
January 2025
Department of Radiology, Faculty of Medicine, Erzincan Binali Yildirim University, Erzincan 24000, Türkiye.
We examined the case report written by Ke , describing a rare clinical case. In this editorial, we would like to emphasize the differential diagnosis of rectal masses through a rare case. We describe a case of ameboma, which manifested itself as a mass in the rectum in terms of imaging and rectoscopic features, in an immunocompetent patient who had complaints of constipation and rectal bleeding for weeks.
View Article and Find Full Text PDFDiagn Microbiol Infect Dis
January 2025
Division of Infectious Diseases, Naval Medical Center San Diego, 34800 Bob Wilson Drive, San Diego, CA, 92134, USA; Department of Medicine, Uniformed Services University, 4301 Jones Bridge Road, Bethesda, MD 20814, USA.
Entamoeba histolytica infections range from asymptomatic intestinal amebiasis to more severe syndromes like invasive colitis or hepatic abscess. While diagnostic tests available for assessing these infections have evolved, the optimal use of newer diagnostics like enteric multiplex Polymerase Chain Reaction (PCR) panels has not been fully established. Here we describe the case of a 34-year-old male with an amebic liver abscess (ALA) that was diagnosed via multiplex Gastrointestinal (GI) PCR panel on formed stool and subsequently confirmed by testing liver abscess fluid (off-label) on the same multiplex GI PCR panel leading to rapid diagnosis and targeted treatment modification with excellent outcome.
View Article and Find Full Text PDFTurkiye Parazitol Derg
January 2025
Erzincan Binali Yıldırım University Faculty of Medicine, Department of Medical Microbiology, Erzincan, Türkiye.
Objective: To determine the prevalence of amoebiasis, which has been neglected in recent years according to the World Health Organization, in ulcerative colitis patients and investigate the relationship between amoebiasis and ulcerative colitis.
Methods: The study included 150 individuals, including 100 ulcerative colitis patients and 50 healthy individuals without gastrointestinal complaints. The samples collected were first analyzed macroscopically and then using native-Lugol, trichrome staining, and enzyme-linked immunosorbent assay (ELISA).
Clin J Gastroenterol
December 2024
Department of Gastroenterology, Yokohama City University Graduate School of Medicine, 3-9, Fukuura, Kanazawa-ku, Yokohama, Kanagawa, 236-0004, Japan.
Amoebic colitis is a parasitic gastrointestinal disease caused by Entamoeba histolytica (E. histolytica). In Japan, metronidazole (MNZ) monotherapy is often used and most cases are effective.
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